US 12,009,728 B2
Gear motor having a gearing system, an electric motor, and an adapter
Markus Wöppermann, Karlsbad (DE); Jens Schillinger, Rastatt (DE); and Stefan Hannet, Schwetzingen (DE)
Assigned to SEW-EURODRIVE GMBH & CO. KG, Bruchsal (DE)
Appl. No. 17/618,673
Filed by SEW-EURODRIVE GMBH & CO. KG, Bruchsal (DE)
PCT Filed Jun. 3, 2020, PCT No. PCT/EP2020/025258
§ 371(c)(1), (2) Date Dec. 13, 2021,
PCT Pub. No. WO2020/249255, PCT Pub. Date Dec. 17, 2020.
Claims priority of application No. 102019004056.2 (DE), filed on Jun. 11, 2019.
Prior Publication US 2022/0247267 A1, Aug. 4, 2022
Int. Cl. H02K 7/116 (2006.01); H02K 7/00 (2006.01); F16D 1/08 (2006.01)
CPC H02K 7/116 (2013.01) [H02K 7/003 (2013.01); F16D 1/0847 (2013.01); F16D 1/0864 (2013.01); F16D 2300/08 (2013.01)] 23 Claims
OG exemplary drawing
 
1. A gear motor, comprising:
a gearing system including an input shaft;
an electric motor;
an adapter arranged between the electric motor and the gearing system and including an adapter shaft at least partially inserted into the input shaft of the gearing system and connected to the input shaft of the gearing system in a torsionally fixed manner with the aid of a bellows; and
a sealing ring arranged between the adapter shaft and the input shaft;
wherein the sealing ring touches the input shaft at a front in an axial direction, the adapter shaft counter to the axial direction, the input shaft in a radially outward-facing direction, and the adapter shaft in a radially inward-facing direction.